P06AA OBD II Trouble Code PCM/ECM/TCM Internal Temperature B Too High

How to easily troubleshoot and repair, and causes of a P06AA trouble code which indicates too high of temperature reading of the internal temperature B in a PCM, ECM, or TCM module.

Symptoms of P06AA OBD II Trouble Code

Engine will not start

Engine may stall

Improper shifting

Transmission warning lamp illuminated

Check engine light illuminated

Common Causes of P06AA OBD II Trouble Code

Corroded or damaged connector

Loose or defective control module ground strap

Faulty or damaged wiring

Defective PCM, ECM, or TCM

Severity of P06AA OBD II Trouble Code

The severity of this code can vary tremendously from just an illuminated check engine light or a transmission warning lamp on a vehicle that starts and runs to an automobile that will stall or not start at all. The code can be serious depending on the specific nature of the problem.